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Parts for your 2006 Toyota Hilux surf-Spark plugs

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Permatex Dielectric Tune-Up Grease 9g - PX81150

Permatex Dielectric Tune-Up Grease 9g - PX81150

$24
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Explore 4WD & Adventure

GV Tools 3 Piece Spark Plug Socket Set - GV012

GV Tools 3 Piece Spark Plug Socket Set - GV012

$14
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Penrite Greenkeepers 2 Stroke Oil 2.5L - SEGNKTS0025

Penrite Greenkeepers 2 Stroke Oil 2.5L - SEGNKTS0025

$37
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Mechpro Spark Plug Wrench 16mm - MPBE101

Mechpro Spark Plug Wrench 16mm - MPBE101

$12
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Mechpro Spark Plug Wrench 2-In-1 16/21mm - MPBE102

Mechpro Spark Plug Wrench 2-In-1 16/21mm - MPBE102

$14
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Penrite Greenkeepers 2 Stroke Oil 1L - SEGNKTS001

Penrite Greenkeepers 2 Stroke Oil 1L - SEGNKTS001

$27
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T&E Tools Ignition Spark Tester

T&E Tools Ignition Spark Tester

$39
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Toledo Spark Plug Gap Gauge - 302163

Toledo Spark Plug Gap Gauge - 302163

$5
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Repco Spark Plug Extension Bar 21mm - RT24846
Clearance

Repco Spark Plug Extension Bar 21mm - RT24846

$29
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Penrite Greenkeepers 2 Stroke Oil 20L - SEGNKTS020

Penrite Greenkeepers 2 Stroke Oil 20L - SEGNKTS020

$297
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T&E Tools Spark Plug Boot Pliers

T&E Tools Spark Plug Boot Pliers

$30
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Repco Petrol Cylinder Compression Tester - RST160

Repco Petrol Cylinder Compression Tester - RST160

$130
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Nulon Engine Stop Smoke 500ml - SS
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Nulon Engine Stop Smoke 500ml - SS

$10
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Castrol OUTBOARD 2T 2 Stroke Oil 4L - 3377729

Castrol OUTBOARD 2T 2 Stroke Oil 4L - 3377729

$66
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T&E Tools Spark Plug Thread Repair Kit 14mm - 4100

T&E Tools Spark Plug Thread Repair Kit 14mm - 4100

$35
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Toledo Spark Plug Starter - 302157
Clearance

Toledo Spark Plug Starter - 302157

$6
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Toledo Spark Plug Thread Chaser - 302168

Toledo Spark Plug Thread Chaser - 302168

$29
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Toledo HD Spark Plug Firing Tester - 302167

Toledo HD Spark Plug Firing Tester - 302167

$36
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Toledo Spark Plug Thread Kit - 302300

Toledo Spark Plug Thread Kit - 302300

$42
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Powerbuilt Spark Plug Socket - 643001

Powerbuilt Spark Plug Socket - 643001

$9
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Powerbuilt Spark Plug Socket - 643004

Powerbuilt Spark Plug Socket - 643004

$8
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Toledo Spark Plug Thread Kit 14mm - 302176

Toledo Spark Plug Thread Kit 14mm - 302176

$42
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Powerbuilt Spark Plug Socket - 643005

Powerbuilt Spark Plug Socket - 643005

$11
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Toledo Spark Plug Tool 21mm Hex - 302223

Toledo Spark Plug Tool 21mm Hex - 302223

$56
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Repco Heavy Duty Spark Plug Boot Pliers - RST63

Repco Heavy Duty Spark Plug Boot Pliers - RST63

$46
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Toledo Spark Plug Tester - Box Type - 302165

Toledo Spark Plug Tester - Box Type - 302165

$22
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Castrol OUTBOARD 2T 2 Stroke Oil 1L - 3377726

Castrol OUTBOARD 2T 2 Stroke Oil 1L - 3377726

$45
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T&E Tools Electronic Ignition Spark Tester

T&E Tools Electronic Ignition Spark Tester

$56
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Showing 1 - 39 of 46 products

2006 Toyota Hilux Surf spark plugs — what they do and when to replace them

Based on Toyota’s technical literature for the 215-series Hilux Surf (model years 2002–2009), spark plugs are absolutely relevant on petrol variants. The 2006 Hilux Surf was offered with the 1GR‑FE 4.0L V6 and 2TR‑FE 2.7L inline‑four petrol engines, both using coil‑on‑plug ignition and iridium spark plugs. Toyota’s repair manuals and the Electronic Parts Catalogue specify plugs such as Denso SK20R11 or FK20HR11 (NGK equivalent IFR6A11) and list service intervals for long‑life iridium plugs. If a Surf has been converted to a diesel (e.g., 1KD‑FTV), it uses glow plugs instead, but the factory 2006 Surf in Japan is petrol, so 2006toyotahiluxsurf sparkplugs are very much a thing.

For the petrol Hilux Surf, the spark plug’s job is simple but critical: ignite the air‑fuel mix cleanly, every time. Good plugs help cold starts, smooth idle, sharper throttle response, better fuel economy, and lower emissions. The 1GR‑FE runs six plugs (one per cylinder), while the 2TR‑FE runs four, all coil‑on‑plug, which keeps the spark strong and reliable.

Toyota’s service guidance for iridium plugs typically targets about 100,000–120,000 km (or around 6 years) before replacement. That said, plenty of local owners in Australia and New Zealand prefer a mid‑life inspection at roughly 60,000 km, especially if the vehicle tows, idles a lot, or runs in dusty, off‑road conditions. Look for chalky white deposits, rounded centre electrodes, oil fouling, or cracks in the porcelain. If in doubt, replace the lot as a set.

DIY‑minded? Keep it tidy and follow best practice:

  • Use the correct iridium spec: Denso SK20R11/FK20HR11 or NGK IFR6A11 (check the engine label and Toyota EPC).
  • Iridium plugs come pre‑gapped (about 1.0–1.1 mm). Don’t force the gap smaller or larger.
  • Aim for the torque in Toyota’s manual (commonly around 18–21 N·m for M14 long‑reach plugs). Don’t overcook it.
  • No anti‑seize on modern nickel‑plated plug threads, it alters torque. A dab of dielectric grease on the coil boots is fine.
  • Blow out debris from the plug wells, seat the coils squarely, and click the connectors home.

Telltales that it’s time to sort the sparkplugs on a 2006 Hilux Surf include a lumpy idle, sluggish hills, heavier fuel use, or a flashing MIL with misfire codes. Fresh, correct‑spec plugs usually bring back that easy start and clean pull through the revs. It’s quick preventative maintenance that saves coils, cats, and fuel money over the long haul.

Technical sources referenced: Toyota 2006 Hilux Surf/4Runner Owner’s Manual specifications, Toyota Repair Manuals for 1GR‑FE and 2TR‑FE engines, and Toyota Electronic Parts Catalogue listings for 215‑series Hilux Surf spark plug part numbers.

Popular questions about 2006toyotahiluxsurf sparkplugs

What spark plug type and gap suit a 2006 Hilux Surf?

For the 1GR‑FE and 2TR‑FE petrol engines, Toyota specifies long‑life iridium plugs such as Denso SK20R11 or FK20HR11, with NGK IFR6A11 as a common equivalent. They’re coil‑on‑plug and designed for extended service.

The plugs are supplied pre‑gapped at roughly 1.0–1.1 mm. Avoid re‑gapping iridium tips, if a plug’s gap is well out, replace it rather than bending the fine centre electrode.

How often should the spark plugs be replaced?

Toyota’s guidance for iridium plugs is typically around 100,000–120,000 km or about 6 years. Many Aussie and Kiwi owners opt to inspect at 60,000 km if they tow, off‑road, or do short urban trips.

If there are signs of misfire, a rough idle, or poor economy, bring replacement forward. Always replace the full set to keep cylinder balance spot on.

Why is the Surf misfiring after new plugs?

Common culprits are loose coil connectors, a coil boot not seated, over‑ or under‑torqued plugs, or using the wrong heat range. Check for cracks in the boots and confirm the part numbers match Toyota specs.

If it still acts up, scan for codes, check for vacuum leaks, and test the suspect coil. A fresh set of correct‑spec iridium plugs and good coils will usually sort it.